.500 Nitro Express 3”

Technical Specifications

 

Country of Origin United Kingdom
Diameter – Bore .500” (12,70mm)
Diameter – Groove .512” (13,00mm)
Introduced 1890
Pressure – Max Average 40,611 psi (280 MPa)
Regulators CIP
Groove Details 7 x .1420” (3,61mm)
Shellholder – RCBS Custom
Twist – Proof Barrel 1:15” (381mm)
* Read all about this cartridge in the book African Dangerous Game Cartridges by Pierre van der Walt
Cartridge Essentials

 

Action Size Recommended Double rifle or falling block
Barrel Life 8,000 – 9,000 rounds
Case – Body Taper 0.8°
Case – Neck Length .510” (12,95mm) = 100.00%
Case – Trim Length 2.992” (76,00mm)
Parent Case original
Relative Capacity 138.0 gr water (8,960cc)
Shoulder Angle 0°00’00”
Typical Factory Load Guidelines for Africa – Solids
Brand Name Weight Bullet Description Velocity Fps Energy Ft/Lb Trauma Potential 0% Expansion
Kynoch 570-gr Woodleigh Solid 2,150 fps 5,852 ft/lb 90.4
Typical Factory Load Guidelines for Africa – Expanders
Brand Name Bullet Weight Bullet Description Velocity Fps Energy Ft/Lb Trauma Potential 100% Expansion
Kynoch 570-gr Woodleigh Solid 2,150 fps 5,852 ft/lb 45.2
Optimum Game Bullet Optimum Application Bands (400-gr averaged)
Band Velocity Parameters Start End
Amber-Band ( ≤ 2,200 fps – ≥ 2,000 fps) ± 0 yds ± 80 yds
Bullet Recommendations for Africa
All species        Solids. On pachyderms use flat nose monometal solids
Â
African Game Weight Recommendation
≤ 13,000-lb ( ≤ 6000-kg)
Most Suitable African Species (assuming legality)
Pachyderms      Buffalo, , (body shots),
* Read all about these animals in the book Game Animals of the World by Chris & Tilde Stuart
Optics Guidelines
None recommended Â
Handloading Guidelines
Load Development 1.0 grain increments
Primer Very hot Large Rifle Magnum such as Federal 215
Propellant Range Medium-burning rifle: ≥ IMR-8208 – ≤ Hodgdon H-4895
Tips Use normal taper crimp. Can augment with Lee factory crimp
Full length resize loads
Check feeding before hunt
Â
* Read all about this cartridge in the book African Dangerous Game Cartridges by Pierre van der Walt